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On the zero-multiplicity of the k-generalized Fibonacci sequence
Journal of Difference Equations and Applications ( IF 1.1 ) Pub Date : 2020-12-17
Jonathan García, Carlos A. Gómez, Florian Luca

The k-generalized Fibonacci sequence F ( k ) := ( F n ( k ) ) n ( k 2 ) is the linear recurrent sequence of order k, whose first k terms are 0 , , 0 , 1 and each term afterwards is the sum of the preceding k terms. In this paper, we extend F ( k ) to negative indices and give an upper bound on the absolute value of its largest zero in terms of k. In particular, we find that the zero-multiplicity of the k-generalized Fibonacci sequence is exactly k ( k 1 ) / 2 for all k [ 4 , 500 ] . We prove that the zero multiplicity of the k-generalized Fibonacci sequence is at least k ( k 1 ) / 2 for all k 2 .



中文翻译:

关于k广义斐波那契数列的零重数

所述ķ -generalized斐波纳契数列 F ķ := F ñ ķ ñ - ķ - 2 是阶k的线性递归序列,其前k个项是 0 0 1个 之后的每个项是前k个项的总和。在本文中,我们扩展 F ķ 到负指数,并以k为单位给出其最大零的绝对值的上限。特别是,我们发现k广义斐波那契数列的零重数正好是 ķ ķ - 1个 / 2 对全部 ķ [ 4 500 ] 。我们证明了k广义斐波那契数列的零多重性至少为 ķ ķ - 1个 / 2 对全部 ķ 2

更新日期:2020-12-17
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